Period
to 27 May 2020

The following table provides summary statistics for contract job vacancies advertised in England with a requirement for Semantic Layer skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Semantic Layer over the 6 months to 27 May 2020 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Semantic Layer
UK > England
6 months to
27 May 2020
Same period 2019 Same period 2018
Rank 591 806 832
Rank change year-on-year +215 +26 -14
Contract jobs citing Semantic Layer 5 18 32
As % of all contract jobs advertised in England 0.012% 0.022% 0.035%
As % of the Database & Business Intelligence category 0.055% 0.096% 0.15%
Number of daily rates quoted 2 13 27
Median daily rate £406 £513 £430
Median daily rate % change year-on-year -20.73% +19.19% -2.27%
10th Percentile £276 £451 £375
90th Percentile £502 £569 £510
UK median daily rate £406 £513 £430
% change year-on-year -20.73% +19.19% -2.27%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK median hourly rate - - -

Semantic Layer is in the Databases and Business Intelligence category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in England with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
England
Contract vacancies with a requirement for database or business intelligence skills 9,103 18,693 20,768
As % of all contract IT jobs advertised in England 21.60% 22.55% 22.55%
Number of daily rates quoted 6,020 12,947 14,585
Median daily rate £500 £488 £475
Median daily rate % change year-on-year +2.56% +2.63% +5.56%
10th Percentile £325 £325 £313
90th Percentile £675 £650 £638
UK median daily rate £490 £475 £474
% change year-on-year +3.16% +0.32% +8.23%
Number of hourly rates quoted 181 222 214
Median hourly rate £35.00 £35.00 £32.25
Median hourly rate % change year-on-year - +8.53% +7.50%
10th Percentile £16.00 £14.25 £14.08
90th Percentile £53.00 £57.50 £53.50
Median hourly rate £35.00 £35.00 £33.50
% change year-on-year - +4.48% +11.67%

Semantic Layer
Job Vacancy Trend in England

Job postings citing Semantic Layer as a proportion of all IT jobs advertised in England.

Job vacancy trend for Semantic Layer in England

Semantic Layer
Contractor Daily Rate Trend in England

3-month moving average daily rate quoted in jobs citing Semantic Layer in England.

Daily rate trend for Semantic Layer in England

Semantic Layer
Daily Rate Histogram in England

Daily rate distribution for jobs citing Semantic Layer in England over the 6 months to 27 May 2020.

Daily rate histogram for Semantic Layer in England

Semantic Layer
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Semantic Layer within the England region over the 6 months to 27 May 2020. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
South East +135 3 £513 -
London +154 1 £300 -41.46%
Midlands - 1 - -
West Midlands - 1 - -
Semantic Layer
UK

For the 6 months to 27 May 2020, IT contractor jobs citing Semantic Layer also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the England region with a requirement for Semantic Layer.

1 4 (80.00%) SQL
1 4 (80.00%) Data Modelling
2 3 (60.00%) Python
2 3 (60.00%) Azure
2 3 (60.00%) AWS
2 3 (60.00%) Migration
3 2 (40.00%) Clustering
3 2 (40.00%) Node.js
3 2 (40.00%) SciPy
3 2 (40.00%) NumPy
3 2 (40.00%) MongoDB
3 2 (40.00%) Apache Cassandra
3 2 (40.00%) NoSQL
3 2 (40.00%) Bash Shell
3 2 (40.00%) Jetty
3 2 (40.00%) Groovy
3 2 (40.00%) Data Architecture
3 2 (40.00%) Scala
3 2 (40.00%) Hadoop
3 2 (40.00%) GitHub
3 2 (40.00%) Analytics
3 2 (40.00%) Data Quality
3 2 (40.00%) Machine Learning
3 2 (40.00%) Performance Tuning
3 2 (40.00%) Amazon Redshift
3 2 (40.00%) Pandas
3 2 (40.00%) Apache Spark
3 2 (40.00%) Logical Data Model
3 2 (40.00%) Physical Data Model
3 2 (40.00%) Loose Coupling

Semantic Layer
Co-occurring IT Skills in England by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 2 (40.00%) Apache
1 2 (40.00%) Apache Spark
1 2 (40.00%) Jetty
1 2 (40.00%) Jupyter
1 2 (40.00%) Tomcat
Applications
1 2 (40.00%) Microsoft Excel
2 1 (20.00%) Microsoft Office
2 1 (20.00%) Microsoft PowerPoint
Cloud Services
1 3 (60.00%) AWS
1 3 (60.00%) Azure
2 2 (40.00%) GitHub
2 2 (40.00%) Power Platform
3 1 (20.00%) Adobe Analytics
3 1 (20.00%) Google Analytics
Database & Business Intelligence
1 2 (40.00%) Amazon Redshift
1 2 (40.00%) Apache Cassandra
1 2 (40.00%) Cosmos DB
1 2 (40.00%) Hadoop
1 2 (40.00%) MongoDB
1 2 (40.00%) NoSQL
1 2 (40.00%) Power BI
2 1 (20.00%) Data Warehouse
2 1 (20.00%) OLAP
2 1 (20.00%) Oracle OLAP
2 1 (20.00%) Snowflake Schema
2 1 (20.00%) Star Schema
Development Applications
1 2 (40.00%) Maven
General
1 1 (20.00%) Marketing
Job Titles
1 2 (40.00%) Architect
1 2 (40.00%) Data Architect
1 2 (40.00%) Enterprise Architect
1 2 (40.00%) Enterprise Data Architect
2 1 (20.00%) Analyst
2 1 (20.00%) Consultant
2 1 (20.00%) Data Analyst
2 1 (20.00%) Data Insight Analyst
2 1 (20.00%) Insight Analyst
2 1 (20.00%) Insight Data Analyst
2 1 (20.00%) Performance Consultant
2 1 (20.00%) Solutions Consultant
2 1 (20.00%) Technical Consultant
Libraries, Frameworks & Software Standards
1 2 (40.00%) Node.js
1 2 (40.00%) NumPy
1 2 (40.00%) Pandas
1 2 (40.00%) scikit-learn
1 2 (40.00%) SciPy
2 1 (20.00%) JSON
2 1 (20.00%) XML
Miscellaneous
1 2 (40.00%) Clustering
2 1 (20.00%) Enterprise Software
2 1 (20.00%) Public Cloud
Operating Systems
1 1 (20.00%) Unix
Processes & Methodologies
1 4 (80.00%) Data Modelling
2 3 (60.00%) Migration
3 2 (40.00%) Analytics
3 2 (40.00%) Architecture Roadmap
3 2 (40.00%) Data Architecture
3 2 (40.00%) Data Science
3 2 (40.00%) Domain Models
3 2 (40.00%) ETL
3 2 (40.00%) Logical Data Model
3 2 (40.00%) Loose Coupling
3 2 (40.00%) Machine Learning
3 2 (40.00%) Performance Tuning
3 2 (40.00%) Physical Data Model
4 1 (20.00%) Actionable Insight
4 1 (20.00%) Agile Software Development
4 1 (20.00%) Asset Management
4 1 (20.00%) Business Intelligence
4 1 (20.00%) Data Visualisation
4 1 (20.00%) ETL Development
4 1 (20.00%) Visualisation
Programming Languages
1 4 (80.00%) SQL
2 3 (60.00%) Python
3 2 (40.00%) Bash Shell
3 2 (40.00%) Groovy
3 2 (40.00%) Java
3 2 (40.00%) Korn
3 2 (40.00%) Ruby
3 2 (40.00%) Scala
4 1 (20.00%) Data Analysis Expressions (DAX)
4 1 (20.00%) T-SQL
Quality Assurance & Compliance
1 2 (40.00%) Data Quality
Vendors
1 2 (40.00%) Cognos
1 2 (40.00%) Oracle
2 1 (20.00%) Adobe
2 1 (20.00%) DoubleClick
2 1 (20.00%) Facebook
2 1 (20.00%) Google
2 1 (20.00%) Microsoft
2 1 (20.00%) Tableau
2 1 (20.00%) YouTube